S
M
T
W
T
F
S
26
63°
41°
27
65°
46°
28
56°
39°
29
61°
41°
30
65°
43°
1
72°
51°
2
61°
47°
3
57°
45°
4
58°
44°
5
60°
45°
6
59°
44°
7
58°
43°
8
60°
44°
9
59°
44°
10
56°
44°
11
59°
45°
12
57°
44°
13
56°
47°
14
57°
48°
15
60°
49°
16
61°
48°
17
59°
43°
18
62°
49°
19
64°
51°
20
64°
50°
21
64°
50°
22
65°
49°
23
65°
49°
24
64°
50°
25
63°
50°
26
59°
48°
27
59°
45°
28
60°
47°
29
59°
45°
30
63°
49°
31
65°
51°
1
65°
51°
2
66°
50°
3
66°
51°
4
61°
51°
5
61°
50°
6
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crofton
Crofton's May 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 39° and 51°. The average high for May is 61° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Crofton. See also: June | July | August.